Motor unit



FIG. 1 is a front isometric view of an improved motor unit;

FIG. 2 is a rear isometric view of the motor unit;

FIG. 3 is a front view of the motor unit;

FIG. 4 is a back view of the motor unit;

FIG. 5 is a left side view of the motor unit;

FIG. 6 is a right side view of the motor unit;

FIG. 7 is a top view of the motor unit; and,

FIG. 8 is a bottom view of the motor unit.

The broken lines showing unclaimed portions of the motor Unit form no part of the claimed design. 

The ornamental design for a motor unit, as shown and described. 